IBM SPSS Statistics 21 Premium x86 is a comprehensive statistical software package designed to help users analyze and interpret complex data. The software offers a wide range of tools and techniques for data analysis, including descriptive statistics, inferential statistics, and data visualization.

IBM SPSS Statistics 21 Premium x86 is a commercial software package that requires a valid license to use. Pricing varies depending on the specific configuration and the number of users. It's best to contact IBM or an authorized reseller for more information on pricing and licensing options.